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Cheap Flights from Buffalo Niagara to Washington Dulles

Compare Buffalo Niagara to Washington Dulles flight deals

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Flight deals from Buffalo Niagara Airport to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Washington Dulles Airport? If you want to travel next month, return fares start from ر.ق.‏ 600. Find the lowest prices on one-way and return tickets right here.
Washington D.C..ر.ق.‏ 280 per passenger.Departing Thu, 19 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 19 Mar, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 280, select.
Washington D.C..ر.ق.‏ 280 per passenger.Departing Wed, 6 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 6 May, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 280, select.
Washington D.C..ر.ق.‏ 287 per passenger.Departing Thu, 23 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 23 Apr, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 287, select.
Washington D.C..ر.ق.‏ 377 per passenger.Departing Mon, 1 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 1 Jun, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 377, select.
Washington D.C..ر.ق.‏ 568 per passenger.Departing Sun, 19 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 19 Jul, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 568, select.
Washington D.C..ر.ق.‏ 637 per passenger.Departing Mon, 3 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 3 Aug, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 637, select.
Washington D.C..ر.ق.‏ 725 per passenger.Departing Mon, 23 Mar.One-way flight with United.Outbound direct flight with United departs from Buffalo Niagara on Mon, 23 Mar, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 725, select.
Washington D.C..ر.ق.‏ 731 per passenger.Departing Thu, 16 Jul.One-way flight with United.Outbound direct flight with United departs from Buffalo Niagara on Thu, 16 Jul, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 731, select.
Washington D.C..ر.ق.‏ 740 per passenger.Departing Sun, 5 Apr.One-way flight with United.Outbound direct flight with United departs from Buffalo Niagara on Sun, 5 Apr, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 740, select.
Washington D.C..ر.ق.‏ 740 per passenger.Departing Sun, 3 May.One-way flight with United.Outbound direct flight with United departs from Buffalo Niagara on Sun, 3 May, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 740, select.
Washington D.C..ر.ق.‏ 760 per passenger.Departing Tue, 5 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 5 Jan, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 760, select.
Washington D.C..ر.ق.‏ 760 per passenger.Departing Thu, 1 Oct.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Thu, 1 Oct, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 760, select.
Washington D.C..ر.ق.‏ 760 per passenger.Departing Mon, 21 Sep.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Mon, 21 Sep, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 760, select.
Washington D.C..ر.ق.‏ 802 per passenger.Departing Sat, 5 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Sat, 5 Dec, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 802, select.
Washington D.C..ر.ق.‏ 827 per passenger.Departing Fri, 26 Jun.One-way flight with United.Outbound direct flight with United departs from Buffalo Niagara on Fri, 26 Jun, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 827, select.
Washington D.C..ر.ق.‏ 833 per passenger.Departing Sat, 12 Sep.One-way flight with United.Outbound direct flight with United departs from Buffalo Niagara on Sat, 12 Sep, arriving in Washington Dulles.Price includes taxes and charges.From ر.ق.‏ 833, select.

Find the cheapest month to fly from Buffalo Niagara to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Washington Dulles flights are currently cheapest in March.
Mar
from ر.ق.‏ 280
Apr
from ر.ق.‏ 287
May
from ر.ق.‏ 280
Jun
from ر.ق.‏ 377
Jul
from ر.ق.‏ 568
Aug
from ر.ق.‏ 637
Sep
from ر.ق.‏ 760
Oct
from ر.ق.‏ 760
Nov
Find prices
Dec
from ر.ق.‏ 802
Jan
from ر.ق.‏ 760
Feb
Find prices

Direct flights from Buffalo Niagara to Washington Dulles

Buffalo Niagara to Washington Dulles: Alternative routes

Compare routes from Buffalo Niagara to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from ر.ق.‏ 368
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
from ر.ق.‏ 280
Search flights

Baltimore Washington International

44km from central Washington D.C.
Cheapest
from ر.ق.‏ 215
Search flights

Manassas

47km from central Washington D.C.
Search flights

Buffalo to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 280
Cheapest month to flyMay
Average flight time1 hr, 22 mins
Most popular airlineUnited
Average flights per week135

Finding cheap flights from Buffalo Niagara to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Buffalo Niagara to Washington Dulles is ر.ق.‏ 600. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 22 minutes is the average flight time from Buffalo Niagara to Washington Dulles.
United, CommutAir and GoJet Airlines fly direct from Buffalo Niagara to Washington Dulles.
As of March 2026, there are 135 flights per week flying from Buffalo Niagara to Washington Dulles.
The cheapest month to fly from Buffalo Niagara to Washington Dulles is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Washington Dulles Airport on Monday, 13 April 2026.
Yes – the average flight time is 1 hour and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Washington Dulles.

Travelling from Buffalo Niagara International Airport (BUF) to Washington Dulles International Airport (IAD): what you need to know

  • Hop on a direct flight from Buffalo Niagara International Airport to Washington Dulles International Airport and you'll be in the air for an average of 1 hour 20 minutes.

  • Washington DC's timezone is UTC-4, which is the same as Buffalo.

  • Each week, there are 77 Buffalo Niagara International Airport to Washington Dulles International Airport flights. To jet off early, take the 06:00 United Airlines flight. If you're eager to make the most of your day before flying, the last flight is at 19:59 with United Airlines.

  • To ensure you catch your BUF to IAD flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • Flying during a peak month like August? School holidays and other popular seasons can lead to longer queues and delays at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • United Airlines has direct flights from Buffalo Niagara International Airport to Washington Dulles International Airport. Book with this popular airline, then get ready to discover the sights in Washington DC — and maybe even more of United States if your schedule allows.

  • The airline most travellers prefer to fly with on this route is United Airlines.

  • United Airlines is the most punctual carrier operating BUF to IAD flights, with 73.23% of its services arriving as scheduled.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Buffalo Niagara International Airport to Washington Dulles International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour your chosen city. Worthwhile stopovers between BUF and IAD include:

    • Raleigh-Durham International Airport

    • Detroit Metropolitan Wayne County Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Washington Dulles International Airport (IAD)

  • ر.ق.‏ 280 is the best price for a one-way Buffalo Niagara International Airport to Washington Dulles International Airport flight. Return flights start at ر.ق.‏ 600. These prices may change depending on availability.

  • Book 11 months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from BUF to IAD.

  • October is the cheapest month for flights from Buffalo Niagara International Airport to Washington Dulles International Airport. If you want to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Landing cheap flights from BUF to IAD is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as fares go down.

  • Select your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Buffalo Niagara International Airport to Washington Dulles International Airport.

Handy information about Buffalo Niagara International Airport (BUF)

  • The address for BUF is Genesee Street.

  • Of the departures from Buffalo Niagara International Airport, 75.46% land on schedule at their destination.

  • Buffalo Niagara International Airport is about 18 kilometres from central Buffalo. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport usually takes 1 hour 15 minutes.

  • Need a handy hotel close to BUF? If you're catching an early flight from Buffalo Niagara International Airport to Washington Dulles International Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • You'll find IAD at 1 Saarinen Circle.

  • Washington Dulles International Airport to the centre of Washington DC has a drive time of around 50 minutes. It's approximately 56 kilometres away.

  • It'll take around 3 hours 25 minutes when travelling by public transport.

When to fly to Washington Dulles International Airport (IAD)

  • The quietest month for a flight from Buffalo Niagara International Airport to Washington Dulles International Airport is January, while April is the busiest. Choose the best time to go to Washington DC based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Washington DC is July, with the temperature ranging between 19ºC and 33ºC. Lock in your flights from Buffalo Niagara International Airport to Washington Dulles International Airport in this month if this is the type of weather you like.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from BUF to IAD in January. Average temperatures are between -6ºC and 10ºC then.

Explore more of United States

  • New York is just one of the many cities in United States waiting to be explored once you've taken in the sights of Washington DC. Around 322 kilometres away to the north-east, its top attractions include Statue of Liberty, Central Park and Empire State Building.

  • If you're looking to explore another side of United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among its highlights.

Plan the rest of your trip from Buffalo to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.